Annotation of /tags/mkinitrd-6_1_11/busybox/include/grp_.h
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Wed Oct 28 13:31:19 2009 UTC (14 years, 11 months ago) by niro
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Wed Oct 28 13:31:19 2009 UTC (14 years, 11 months ago) by niro
File MIME type: text/plain
File size: 4495 byte(s)
tagged 'mkinitrd-6_1_11'
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc. | ||
3 | This file is part of the GNU C Library. | ||
4 | |||
5 | The GNU C Library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | The GNU C Library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with the GNU C Library; if not, write to the Free | ||
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
18 | 02111-1307 USA. */ | ||
19 | |||
20 | /* | ||
21 | * POSIX Standard: 9.2.1 Group Database Access <grp.h> | ||
22 | */ | ||
23 | |||
24 | niro | 816 | #ifndef BB_GRP_H |
25 | #define BB_GRP_H 1 | ||
26 | niro | 532 | |
27 | niro | 816 | #if __GNUC_PREREQ(4,1) |
28 | # pragma GCC visibility push(hidden) | ||
29 | #endif | ||
30 | niro | 532 | |
31 | niro | 816 | /* This file is #included after #include <grp.h> |
32 | * We will use libc-defined structures, but will #define function names | ||
33 | * so that function calls are directed to bb_internal_XXX replacements | ||
34 | */ | ||
35 | niro | 532 | |
36 | #define setgrent bb_internal_setgrent | ||
37 | #define endgrent bb_internal_endgrent | ||
38 | #define getgrent bb_internal_getgrent | ||
39 | #define fgetgrent bb_internal_fgetgrent | ||
40 | #define putgrent bb_internal_putgrent | ||
41 | #define getgrgid bb_internal_getgrgid | ||
42 | #define getgrnam bb_internal_getgrnam | ||
43 | #define getgrent_r bb_internal_getgrent_r | ||
44 | #define getgrgid_r bb_internal_getgrgid_r | ||
45 | #define getgrnam_r bb_internal_getgrnam_r | ||
46 | #define fgetgrent_r bb_internal_fgetgrent_r | ||
47 | #define getgrouplist bb_internal_getgrouplist | ||
48 | #define initgroups bb_internal_initgroups | ||
49 | |||
50 | |||
51 | /* All function names below should be remapped by #defines above | ||
52 | niro | 816 | * in order to not collide with libc names. */ |
53 | niro | 532 | |
54 | |||
55 | /* Rewind the group-file stream. */ | ||
56 | extern void setgrent(void); | ||
57 | |||
58 | /* Close the group-file stream. */ | ||
59 | extern void endgrent(void); | ||
60 | |||
61 | /* Read an entry from the group-file stream, opening it if necessary. */ | ||
62 | extern struct group *getgrent(void); | ||
63 | |||
64 | /* Read a group entry from STREAM. */ | ||
65 | extern struct group *fgetgrent(FILE *__stream); | ||
66 | |||
67 | /* Write the given entry onto the given stream. */ | ||
68 | niro | 816 | extern int putgrent(const struct group *__restrict __p, |
69 | niro | 532 | FILE *__restrict __f); |
70 | |||
71 | /* Search for an entry with a matching group ID. */ | ||
72 | extern struct group *getgrgid(gid_t __gid); | ||
73 | |||
74 | /* Search for an entry with a matching group name. */ | ||
75 | niro | 816 | extern struct group *getgrnam(const char *__name); |
76 | niro | 532 | |
77 | /* Reentrant versions of some of the functions above. | ||
78 | |||
79 | PLEASE NOTE: the `getgrent_r' function is not (yet) standardized. | ||
80 | The interface may change in later versions of this library. But | ||
81 | the interface is designed following the principals used for the | ||
82 | other reentrant functions so the chances are good this is what the | ||
83 | POSIX people would choose. */ | ||
84 | |||
85 | extern int getgrent_r(struct group *__restrict __resultbuf, | ||
86 | char *__restrict __buffer, size_t __buflen, | ||
87 | struct group **__restrict __result); | ||
88 | |||
89 | /* Search for an entry with a matching group ID. */ | ||
90 | extern int getgrgid_r(gid_t __gid, struct group *__restrict __resultbuf, | ||
91 | char *__restrict __buffer, size_t __buflen, | ||
92 | struct group **__restrict __result); | ||
93 | |||
94 | /* Search for an entry with a matching group name. */ | ||
95 | niro | 816 | extern int getgrnam_r(const char *__restrict __name, |
96 | niro | 532 | struct group *__restrict __resultbuf, |
97 | char *__restrict __buffer, size_t __buflen, | ||
98 | struct group **__restrict __result); | ||
99 | |||
100 | /* Read a group entry from STREAM. This function is not standardized | ||
101 | an probably never will. */ | ||
102 | extern int fgetgrent_r(FILE *__restrict __stream, | ||
103 | struct group *__restrict __resultbuf, | ||
104 | char *__restrict __buffer, size_t __buflen, | ||
105 | struct group **__restrict __result); | ||
106 | |||
107 | /* Store at most *NGROUPS members of the group set for USER into | ||
108 | *GROUPS. Also include GROUP. The actual number of groups found is | ||
109 | returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ | ||
110 | niro | 816 | extern int getgrouplist(const char *__user, gid_t __group, |
111 | niro | 532 | gid_t *__groups, int *__ngroups); |
112 | |||
113 | /* Initialize the group set for the current user | ||
114 | by reading the group database and using all groups | ||
115 | of which USER is a member. Also include GROUP. */ | ||
116 | niro | 816 | extern int initgroups(const char *__user, gid_t __group); |
117 | niro | 532 | |
118 | niro | 816 | #if __GNUC_PREREQ(4,1) |
119 | # pragma GCC visibility pop | ||
120 | #endif | ||
121 | niro | 532 | |
122 | #endif |